下面的習語和表達都和動詞do有關，為了幫助理解這些常見的有關do的短語和表達，每個均有定義和例句。
a double take
Definition: look twice at someone or something because you are surprised
定義：因驚訝而再看一眼
She did a double take when he walked into the room.
他走進房間時，她驚訝地又看了他一眼。
Did you see that man do a double take as he looked at the price?
你有沒有看到，那個男人又驚訝地看了一眼價格?
a number on someone
Definition: trick someone, cheat someone, hurt someone very badly
定義：捉弄、欺騙某人，深深地傷害某人
I'm afraid she did a number on him when she broke up.
我擔心她提出分手對他傷害很深。
That guy did a number on John to the tune of $500!
那個傢伙騙了約翰500美元!
an about face
Definition: turn around, return to where someone came from
定義：轉身，轉向來的地方
I'd like you to do an about face and go clean your room!
我想你還是回去打掃下房間!
As soon as I got to work I realized I'd have to do an about face because I'd left my briefcase at home.
我一到上班的地方就想起來我得回去一趟，因為我把公文包忘在家了。
away with something
Definition: prohibit something, make something not available
定義：禁止某事，使其無效。
They tried to do away with coffee in some cultures to little success.
他們嘗試在一些地方禁止咖啡，效果卻不如人意。
Anytime they do away with something people want it even more.
任何時候，他們越是禁止，人們反而越是貪婪。
justice to something
Definition: do successfully and with honor, complete in a befitting manner
定義：成功完成，適當處理
I think that painting doesn't do justice to him.
我覺得那幅畫不適合他。
Alice really did justice to the presentation.
愛麗絲的陳述做得很棒。
one's duty
Definition: complete a responsibility, do something that is expected of you
定義：盡職盡責，完成別人對你的期望。
Remember to do your duty by honoring your parents.
記住，孝敬父母是你的職責。
I'll do my duty but nothing more.
我只會做我職責範圍之內的事。
one's part
Definition: do something that is required of you, join in doing something that requires many people
定義：完成被要求做的事，加入需要多人完成的某事。
He feels that volunteering is doing his part.
他覺得志願活動是他的責任。
Do you part and get along and you'll have no problems here.
做好你的事，保持下去，就沒問題了。
or die
Definition: complete a task or utterly fail
定義：非做不可，背水一戰。
It's do or die time now. We're getting married!
現在非做不可了，我們結婚了!
Well John, it's do or die. Let's go!
好吧，約翰，背水一戰的時候到了，上吧!
someone good
Definition: be beneficial for someone
定義：對某人有好處
I think taking the week off will do you good.
我覺得休息一週對你有好處。
She told me a massage would do me good.
她告訴我做個按摩對我有好處。
something over
Definition: repeat an action often because of a poor start
定義：由於不好的`開頭而重複某個動作
Let's do that over! I wasn't concentrated enough!
再做一次!我還不夠專注!
